MAO-CHAO LIN2020-06-112020-06-111990https://scholars.lib.ntu.edu.tw/handle/123456789/499166[SDGs]SDG10A generalization of justesen codesjournal article10.1080/02533839.1990.96772502-s2.0-0025405366https://www.scopus.com/inward/record.uri?eid=2-s2.0-0025405366&doi=10.1080%2f02533839.1990.9677250&partnerID=40&md5=6a38dee4e05c399da5f27b5ce1eef34e